Description Usage Arguments Details Value Author(s) Examples
The "Extract" function is.na
creates mask for each band. In this mask value 1L
corresponds to NA
value in the source image, and value NA
corresponds non-missing values in the source image. The "Replacement" function is.na<-
assings numerical value for cells with ‘no data’ value.
1 2 3 4 5 6 7 8 9 10 11 | ## S3 method for class 'ursaRaster'
is.na(x)
## S3 method for class 'ursaRaster'
is.infinite(x)
## S3 method for class 'ursaRaster'
is.nan(x)
## S3 replacement method for class 'ursaRaster'
is.na(x) <- value
|
x |
Object of class |
value |
Numeric. |
These functions are corresponded to local operators of map algebra.
"Extract" functions is.na
, is.infinite
, is.nan
return object of class ursaRaster
.
"Replacement" function is.na<-
modifies object of class ursaRaster
.
Nikita Platonov platonov@sevin.ru
1 2 3 4 5 6 7 8 9 10 11 12 13 14 |
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.